JustDrones - Tunable Just Intonation Drones

JustDrones is a tunable just intonation drone generator for music education, ear training, and daily practice. Create pure-interval reference tones, build harmonic drones, and improve intonation on voice or any instrument. Ideal for choirs, strings, winds, and microtonal exploration. Core features - Tunable just intonation: set the root note and choose exact ratio intervals for perfectly consonant drones. - Multi-voice layering: stack and mix several intervals to form chords or scale references for precise tuning. - Simple and precise: clean controls, stable sound, and flexible settings for lessons, rehearsal, and self-study. Designed for ear training, intonation practice, microtonal tuning, and music education, this app helps you hear and lock into true harmonic relationships with ease.